Eaton DK3350 - 350 A, 240 V, 3-Pole Circuit Breaker | AmpState

Eaton DK3350 is a 350 A, 240 V, 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. Built to handle demanding power needs, this unit combines a compact footprint with robust, reliable protection for a wide range of applications.

Why it stands out

• Space-efficient molded-case design: Maximizes panel space, making it easier to organize bundles and plan future expansions without sacrificing performance.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection for overloads and short circuits, reducing nuisance trips and safeguarding connected equipment.
• 3-pole, 240 V configuration: Ideal for three-phase circuits common in commercial and light industrial environments, delivering coordinated protection across all phases.
• OEM-loadcenter compatibility: Specifically designed to integrate with matching Eaton load centers and panelboards for a seamless, reliable install.
• Versatile application range: Suitable for residential, commercial, and light industrial systems that require dependable branch circuit protection at 350 A.

Technical snapshot

• Manufacturer: Eaton
• Part Number: DK3350
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 350 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

For electricians installing or upgrading panels in commercial facilities, the DK3350 serves as a reliable primary protection for feeders powering motors, HVAC units, and lighting circuits. In residential or light industrial projects, it provides a robust 350 A protection point for large distribution branches, helping keep systems safe and compliant while maintaining a tidy, efficient panel layout.

Install with confidence

Pair the DK3350 with Eaton’s compatible load centers and panelboards to ensure consistent electrical characteristics throughout your distribution system. Always follow manufacturer wiring and torque specifications to ensure safe, code-compliant connections and long-term performance.